i have problem with probability of undetected error equation, help me please..

[steph]

i'm from indonesia, need help for my thesis.. so sorry if my english is

bad..
on probability of undetected error equation, there was A (the weight
distribution function of the CRC code depending of the generator).. and

i don't know how to get the A.. so confuse.. have a solution? help me
please.. i wanna know the value of A..
i used CRC-8 for the generator (x^8+x^2+x+1).. thanx before.. Gbu all..